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Building and Landlord Data Analysis Report

450 West 23rd Street, Manhattan, NY 10011

0
DOB Complaints
0
311 Housing Calls
2
Housing Violations
0
Permits

Risk Assessment

97
Low Risk

This building shows minimal signs of maintenance issues based on our analysis.

Our AI predicts there is a 97% chance of no major maintenance issues.
Augrented Insights Report for 450 West 23rd Street

The five-story building at 450 West 23rd Street in Chelsea, owned by Ralph Westerhoff, has a notable history since its 1856 construction as a HERETOFORE CONVERTED CLASS A structure. The property has demonstrated consistent attention to regulatory requirements, particularly in recent years, with no recorded bedbug infestations since 2020, as confirmed by the latest bedbug reports from June 2025 showing zero infested or eradicated units. The building underwent several inspections and received permits in 2025 and 2023 for various maintenance work, including plumbing, electrical, and exterior-related activities.

The building's maintenance history reveals both historic and recent attention to compliance issues. In 2023, there was a brief violation regarding failure to file the 2021 external low pressure inspection, though this was dismissed in August 2023. Regular rodent inspections have shown varying results, with the most recent inspection in October 2024 passing successfully.

Historically, multiple violations were documented in 1981, including issues with signage, refuse chute warning signs, and various maintenance concerns, all of which have since been resolved. The property has consistently filed its annual bedbug reports, with the most recent filings showing no current infestations. Recent work includes plumbing, electrical, and exterior maintenance as evidenced by the permits issued in early 2025, indicating ongoing investment in building upkeep and compliance with city regulations.

Last updated: July 27, 2025
This report is created with AI and based on the most recent 10 data items in each category. Full reports with 50+ data points are available to subscribers.

450 West 23rd Street Report Contents

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450 West 23rd Street Building Overview

Renter Risk Rating

This building is in the riskiest 10% of buildings in Chelsea.

Building Characteristics

Total units 5
Year built 1856
Total area 7244 sq ft
Floors 5
Tax Abatements None
Building Class HERETOFORE CONVERTED CLASS A
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Key Building Statistics

0
DOB Complaints
Complaints filed with the Department of Buildings in the last 7 years.
2
Housing Violations
Class B & C housing maintenance code violations.
0
311 Housing Calls
Housing-related 311 service requests in the last 7 years.
0
Work Orders
Repair orders issued by city agencies.
0
ECB Violations
Environmental Control Board violations on record.
0
Evictions
Evictions executed by city marshalls.
2
Rodent Inspections
Rodent inspections conducted by DOHMH.
0
Building Permits
Permits issued by DOB in the last 7 years.

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450 West 23rd Street Landlord Information

HPD Registration Contacts

Contact data is from NYC HPD building registration.

RoleNameAddress

Landlord Portfolio

Other NYC buildings registered to this landlord.

AddressUnitsCode ViolationsRisk Rating

Landlord Court Records

NYC housing court and civil court records. Name matching only; verify parties are actually the owners by reviewing the case files!

Date FiledCase TitleCourtLink
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450 West 23rd Street Rent Control Status

Year Built
Built before 1974
Units
Less than 6 units
RGB Registration
Not registered
Tax Abatement
None found
Year BuiltUnitsRGB RegistrationTax Abatement
Before 1974 <6 units Not registered None

Full Building Data for 450 West 23rd Street

Housing Maintenance Code Complaints

This table shows complaints to 311 related to potential NYC Housing Maintenance Code (HMC) for 450 West 23rd Street. These complaints are related to conditions such as lack of heat, hot water, mold, pests, and other habitability issues. Class B and C violations are the most serious and may indicate significant problems with building maintenance or safety.

Date ReceivedSttatus DateCategoryTypeStatus
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Housing Maintenance Code Violations

This table shows violations of the NYC Housing Maintenance Code (HMC) issued by HPD for 450 West 23rd Street. These violations are related to conditions such as lack of heat, hot water, mold, pests, and other habitability issues. Class B and C violations are the most serious and may indicate significant problems with building maintenance or safety.

Inspection DateClassStatusStatus DateApartmentNOV DescriptionCertified Date
2024-04-01ACloseNoneNone(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.None
2023-03-15ACloseNoneNone(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.None
1987-12-10ACloseNoneNone§ 27-848 ADMIN CODE & DEPT. RULES AND REGS. REPLACE REFUSE CHUTE WARNING SIGN PUBLIC HALL DOOR TO SERVICE CLOSET OR ON WALL OVER HOPPER DOOR AT 14 8 7 4 1 STY AT WEST FIRE STAIRS.2023-02-01T00:00:00.000Z
1981-08-24BCloseNoneNoneD26-10.01 ADM CODE REPLACE WITH NEW THE BROKEN OR DEFECTIVE SPRINKLER HEAD AT BULKHEAD ROOF.2023-02-01T00:00:00.000Z
1981-08-24BCloseNoneNoneD26-10.01 ADM CODE REPLACE WITH NEW THE MISSING ELECTRIC WALL FIXTURE AT BULKHEAD ROOF.2023-02-01T00:00:00.000Z
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311 Service Requests

Service requests made to 311 for 450 West 23rd Street. Data from NYC 311.

Created DateTypeDescriptionStatusAgencyResolution
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DOB Complaints

Department of Buildings complaints regarding 450 West 23rd Street.

Complaint #FiledStatusCategoryInspection DateDisposition
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DOB Violations

Department of Buildings violations regarding 450 West 23rd Street.

Date IssuedCategoryDescriptionStatusComments
2023-06-30V*-DOB VIOLATION - DISMISSEDVIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTIONCIANOW CRM Violation Dismissed2023-08-08
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Indoor Environment Complaints (DOHMH)

The table below shows indoor environment complaints received regarding the conditions at 450 West 23rd Street. The information includes the date, type, description, and status of each complaint. The data is sourced from DOHMH/311.

DateTypeDescriptionStatus
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Bedbug Infestations

The table below shows the bedbug reports filed by the landlord for 450 West 23rd Street. The information includes the file date, infested units, eradicated units, re-infested units, filing start date, and filing end date. The data is sourced from DOHMH. Landlords are required to file these reports; missing data may indicate non-compliance.

File DateInfested UnitsEradicated UnitsRe-infested UnitsFiling Start DateFiling End Date
2025-06-090002023-11-012024-10-31
2024-04-020002022-11-012023-10-31
2023-03-160002021-11-012022-10-31
2021-12-090002020-11-012021-10-31
2020-12-080002019-11-012020-10-31
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Rodent Inspections

Recent rodent inspection results for 450 West 23rd Street. Data from NYC DOHMH.

DateTypeResult
2024-10-09InitialPassed
2021-09-03ComplianceRat Activity
2021-07-26InitialRat Activity
2019-04-04InitialPassed
2018-07-09InitialPassed
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HPD Litigation Explanation

The table below shows the HPD litigation records for 450 West 23rd Street. The information includes the open date, case type, status, judgement, penalty and whether harassment was found. The data is sourced from HPD.

Source: HPD
Open DateCase TypeStatusJudgementPenaltyHarassment found
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OATH Cases Explanation

The table below shows the Office of Administrative Trials and Hearings cases for 450 West 23rd Street. The information includes the date, agency, respondent, charge, result, penalty, and status. The data is sourced from OATH.

Source: Office of Administrative Trials and Hearings (OATH)
DateAgencyRespondentChargeResultPenaltyStatus
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ECB Violations

Environmental Control Board violations for 450 West 23rd Street. Data from ECB.

DateNumberRespondentDescriptionStatusPenaltyBalance Due
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Alternative Enforcement Program (AEP) Explanation

The table below shows the Alternative Enforcement Program (AEP) records for 450 West 23rd Street. The information includes the start date, start violations, discharge date, and status. The data is sourced from HPD.

Source: Department of Housing Preservation and Development (HPD)
Start DateStart ViolationsDischarge DateStatus
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Vacate Orders Explanation

The table below shows the vacate orders for 450 West 23rd Street. The information includes the effective date, rescinded date, reason, type, and units. The data is sourced from DOB.

Source: Department of Buildings (DOB)
Effective DateRescinded DateReasonTypeUnits
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Work Orders Explanation

The table below shows the work orders for 450 West 23rd Street. The information includes the date created, type, description, and charge. The data is sourced from HPD.

Source: Department of Housing Preservation and Development (HPD)
Date CreatedTypeDescriptionCharge
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Liens Explanation

The table below shows tax and water liens for 450 West 23rd Street. Information includes tax class, month, water only flag, amount, and cycle. Data is sourced from NYC Department of Finance.

Source: NYC Department of Finance
Tax ClassMonthWater OnlyAmountCycle
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Case NumberDateTypeStatusDetails

Sales Records

Sales transactions for 450 West 23rd Street. Data includes sale date, price, buyer, and seller.

DatePriceBuyerSeller

Asbestos Records

Asbestos abatement filings and records for 450 West 23rd Street. Data includes filing date, type, and status.

Start DateEnd DateStatusProcedureFloor

Fire Violations

Violations issued by the Fire Department for this property.

Violation NumberDateDescriptionStatus
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Fire Inspections

Fire Department inspection records for this property.

DateTypeResult
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Fire Certificates

Fire safety certificates for this property.

TypeIssue DateExpiration
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Water Connections

Water connection permits and records for 450 West 23rd Street. Data includes connection type, date, and status.

MaterialRecord Type

Elevator Permits

Elevator permit records for 450 West 23rd Street. Data includes permit type, issue date, and status.

TypeIssue DateStatus

Landmark Violations

Landmark preservation violations for 450 West 23rd Street. Data includes violation date, type, and status.

DateTypeStatus

Planning Projects

City Planning (ZAP) project applications for this building. Data includes project ID, status, borough, and lot/block information.

Project IDStatusBoroughBlockLot
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Building Permits

Department of Buildings issued building permits for this property. This includes permits for construction, alteration, and demolition work. Data includes permit type, job number, status, and issue date.

Permit TypeJob NumberStatusIssue Date

Electrical Permits

Department of Buildings issued electrical permits for this property. This includes permits for electrical work, installations, and modifications. Data includes permit type, job number, status, and issue date.

Permit TypeJob NumberStatusIssue Date

How 450 West 23rd Street Compares

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